1340145

素因数分解:

$3^5\times 5^1\times {\mathrm{1103}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 2411136

約数和(自身を除く): 1070991

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1103, 1215, 3309, 5515, 9927, 16545, 29781, 49635, 89343, 148905, 268029, 446715, 1340145]

約数ペア:

[(1, 1340145), (3, 446715), (5, 268029), (9, 148905), (15, 89343), (27, 49635), (45, 29781), (81, 16545), (135, 9927), (243, 5515), (405, 3309), (1103, 1215)]